WebMollusca: Morphology. Despite their amazing diversity, all molluscs share some unique characteristics that define their body plan. All molluscs have a tissue that covers the … WebMollusks are categorized as invertebrate organisms, including snails, clams, and other organisms. Most of these organisms live in almost all habitats, including seawater, freshwater, and land. Mollusca has outstanding features, which include; All mollusks have a complete and well-developed tubular and coiled digestive tract.

Mollusca - Oklahoma Biological Survey

Web25 sep. 2024 · Mollusca reproduces sexually. Most of the species are dioecious and oviparous. They have indirect development, i.e., the embryo hatches from the egg to form a larva, which undergoes metamorphosis to become an adult. Examples: Octopus (devilfish), Pila (Apple snail), Pinctada (pearl oyster, Sepia (cuttlefish), etc. WebBased on the structure of Radula. Based on shell structure. Here is a commonly used classification for molluscs. Phylum Mollusca is classified into seven classes; … the source motherboards

Gastropod Definition, Examples, & Facts Britannica

WebMolluscs have a mantle or mass of soft flesh that covers the soft body and encloses the internal organs. In many species, the mantle produces a hard shell. Not all molluscs … WebMolluscs are a clade of organisms that all have soft bodies which typically have a "head" and a "foot" region. Often their bodies are covered by a hard exoskeleton, as in the shells of snails and clams or the plates of chitons. A part of almost every ecosystem in the world, molluscs are extremely important members of many ecological communities. WebA metanephridium (meta = "after") is a type of excretory gland found in many types of invertebrates such as annelids, arthropods and mollusca. (In mollusca, it is known as the Bojanus organ.). A metanephridium typically consists of a ciliated funnel opening into the body cavity, or coelom connected to a duct which may be variously glandularized, folded … myrtle wax candles